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CytomX Therapeutics, Inc.

CTMX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001501989

No open-market purchases or sales by CytomX Therapeutics, Inc. insiders were filed in the last 90 days; 178 institutions reported holding it in 13F filings for Q2 2026, worth $799.0M in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding CytomX Therapeutics, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of CTMX: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders1792178+1
Shares193.9M102.2K213.0M+19.3M (+9.9%)
Value$911.2M$480.5K$799.0M−$111.7M (−12.3%)

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (46)

Institutions that held CytomX Therapeutics, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to CTMX in Q2 2026
InstitutionSharesValue% of portfolio
Tudor Investment Corp Et Al1,380,687$5.18M0.02%
DV Equities, LLC714,000$2.68M0.39%
Nuveen, LLC448,041$1.68M0.00%
Rhumbline Advisers222,514$834.4K0.00%
Colony Group, LLC197,878$742.0K0.00%
Price T Rowe Associates Inc148,107$556.0K0.00%
Alliancebernstein L.P.104,310$490.3K0.00%
Walleye Capital LLC126,526$474.5K0.00%
MetLife Investment Management104,635$392.4K0.00%
Robertson Stephens Wealth Management, LLC96,000$360.0K0.01%
Algert Global LLC90,900$340.9K0.00%
American Century Companies Inc54,899$205.9K0.00%
Police & Firemen's Retirement System of New Jersey52,499$196.9K0.00%
Twinbeech Capital LP48,404$181.5K0.03%
Manufacturers Life Insurance Company, The47,795$179.2K0.00%
Jupiter Topco LLC46,700$175.4K0.00%
AQR Capital Management LLC42,014$157.6K0.00%
PSP Research LLC39,400$147.8K0.08%
SG Americas Securities, LLC36,863$138.0K0.00%
New York State Common Retirement Fund35,700$133.9K0.00%
Mitsubishi UFJ Trust & Banking Corp34,191$128.2K0.00%
Voya Investment Management LLC33,686$126.3K0.00%
ProShare Advisors LLC30,448$114.2K0.00%
Intech Investment Management LLC30,434$114.1K0.00%
Prudential Financial Inc27,950$104.8K0.00%
HSBC Holdings PLC26,636$102.8K0.00%
Allstate Corp23,655$88.7K0.00%
Pale Fire Capital SE22,900$85.9K0.01%
Freestone Grove Partners LP18,972$71.1K0.00%
Savvy Advisors, Inc.17,700$66.4K0.00%
Xponance, Inc.17,067$64.0K0.00%
Ameritas Investment Partners, Inc.16,154$60.6K0.00%
Great West Life Assurance Co15,482$58.0K0.00%
DLD Asset Management, LP15,000$56.3K0.00%
Russell Investments Group, Ltd.14,234$53.4K0.00%
Whittier Trust Co11,458$43.7K0.00%
Pacer Advisors, Inc.3,697$14.0K0.00%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.2,727$10.2K0.00%
Sterling Capital Management LLC1,969$7.38K0.00%
Nisa Investment Advisors, LLC518$1.94K0.00%
SJS Investment Consulting Inc.232$8700.00%
Rothschild Investment LLC211$7910.00%
Quarry LP207$7760.00%
SRS Capital Advisors, Inc.95$3560.00%
EverSource Wealth Advisors, LLC77$2890.00%
Clearstead Advisors, LLC4$150.00%

Sold out (45)

Institutions that held CytomX Therapeutics, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of CTMX in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Jefferies Financial Group Inc.3,067,864$14.4M
Patient Square Capital LP1,085,790$5.10M
Jane Street Group, LLC997,510$4.69M
Eventide Asset Management, LLC900,000$4.23M
Trexquant Investment LP898,767$4.22M
Balyasny Asset Management LLC730,844$3.43M
DV Trading LLC714,000$3.36M
EAM Investors, LLC565,113$2.66M
Longaeva Partners L.P.550,000$2.58M
Seven Grand Managers, LLC325,000$1.53M
Soleus Capital Management, L.P.300,000$1.41M
Brevan Howard Capital Management LP269,202$1.27M
Scientech Research LLC230,598$1.08M
Burkehill Global Management, LP225,000$1.06M
Centiva Capital, LP200,000$940.0K
Y-Intercept (Hong Kong) Ltd167,514$787.3K
Group One Trading, L.P.154,134$724.4K
Prelude Capital Management, LLC121,912$573.0K
Jain Global LLC104,750$492.3K
Virtu Financial LLC101,895$479.0K
Cannon Global Investment Management, LLC96,100$451.7K
Hudson Bay Capital Management LP80,663$379.1K
Jacobs Levy Equity Management, Inc68,378$321.4K
Schonfeld Strategic Advisors LLC67,732$318.3K
Acadian Asset Management LLC63,694$298.0K
Omers Administration Corp62,400$293.3K
Diametric Capital, LP57,475$270.1K
Catalyst Funds Management Pty Ltd51,600$242.5K
HB Wealth Management, LLC50,000$235.0K
Toronto Dominion Bank40,116$188.5K
Gabelli Funds LLC33,000$155.1K
Fox Run Management, L.L.C.33,920$149.6K
Winton Group Ltd31,100$146.2K
Mangrove Partners26,265$123.4K
Ethos Financial Group, LLC23,697$100.9K
Mariner, LLC19,750$92.8K
Gsa Capital Partners LLP19,140$90.0K
Sanctuary Advisors, LLC17,053$80.1K
Evolve Private Wealth, LLC14,833$69.7K
Gabelli & Co Investment Advisers, Inc.11,000$51.7K
Creative Planning10,505$49.4K
Lido Advisors, LLC10,425$49.0K
Signaturefd, LLC529$2.49K
Advisory Services Network, LLC274$1.29K
Rachor Investment Advisory Services, LLC175$823

Not filed for Q2 2026 yet (2)

Institutions that held CytomX Therapeutics, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CTMX in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Skopos Labs, Inc.55,478$260.7K
Janus Henderson Group PLC46,700$219.7K